package com.leyou.item.config;

import com.baomidou.mybatisplus.extension.plugins.PaginationInterceptor;
import com.baomidou.mybatisplus.extension.plugins.pagination.optimize.JsqlParserCountOptimize;
import org.springframework.context.annotation.Bean;
import org.springframework.context.annotation.Configuration;

@Configuration
    public class MybatisConfig {

        /**
         * 注册mybatis plus的分页插件
         * @return
         */
        @Bean
        public PaginationInterceptor paginationInterceptor() {
            PaginationInterceptor paginationInterceptor = new PaginationInterceptor();
            // 开启 count 的 join 优化,只针对部分 left join
            paginationInterceptor.setCountSqlParser(new JsqlParserCountOptimize(true));
            // 设置最大单页限制数量，默认 500 条，-1 不受限制
            paginationInterceptor.setLimit(500);
            return paginationInterceptor;
        }
}
